Drug interactions
Dicyclomine + Pyridostigmine
Severity: Moderate
Dicyclomine and Pyridostigmine: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Pyridostigmine boosts cholinergic activity while dicyclomine blocks muscarinic receptors, so their effects oppose each other. Dicyclomine may mask the muscarinic side effects of pyridostigmine, which can obscure signs of excess dosing.
What this interaction means in plain words
Dicyclomine and Pyridostigmine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Dicyclomine belongs to Respiratory; Pyridostigmine belongs to Central Nervous System.
Why it happens
Pharmacodynamic antagonism between a cholinesterase inhibitor and a muscarinic antagonist.
What to do
Monitor myasthenia symptoms and GI or autonomic effects. Adjust doses based on response and avoid unnecessary co-use.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dicyclomine and Pyridostigmine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Dicyclomine
- Clozapine + Dicyclomine Major
- Dicyclomine + Henbane Major
- Dicyclomine + Imipramine Major
- Dicyclomine + Pramlintide Major
- Abobotulinumtoxina + Dicyclomine Moderate
- Aclidinium + Dicyclomine Moderate
Other interactions of Pyridostigmine
Frequently asked questions
Can I take Dicyclomine with Pyridostigmine?
MediHelp rates the interaction as moderate. Dicyclomine and Pyridostigmine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Pyridostigmine boosts cholinergic activity while dicyclomine blocks muscarinic receptors, so their effects oppose each other. Dicyclomine may mask the muscarinic side effects of pyridostigmine, which can obscure signs of excess dosing.
How serious is the interaction between Dicyclomine and Pyridostigmine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor myasthenia symptoms and GI or autonomic effects. Adjust doses based on response and avoid unnecessary co-use.
What other medicines interact with Dicyclomine?
MediHelp also lists interactions of Dicyclomine with, for example, Clozapine, Henbane, Imipramine. The full list is on the Dicyclomine page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
